Disclaimer: I am not a medical professional. Always listen to your body and consult a doctor before starting any new movement practice.
The term "Yoshul" or "Yoshol" is a derivatized form of the Hebrew Gei Hinnom (Valley of Hinnom). yooshul
The concept passed into Christianity through the New Testament, where the Greek word Gehenna (derived from Gei Hinnom ) is used by Jesus to describe the place of final punishment. This cemented the valley's association with Hell in Western culture. Disclaimer: I am not a medical professional